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The role of oxygen in photosynthesis and in cellular respiration is: <em>Oxygen </em><em>is a product of </em><em>photosynthesis </em><em>and a reactant in </em><em>cellular respiration</em>.
<h3>What is Photosynthesis?</h3>
Photosynthesis is the process whereby green plants manufacture their food using energy from the sunlight, carbon dioxide and water to synthesize food in form of glucose and produce oxygen as a by-product.
<h3>What is Cellular Respiration?</h3>
Cellular respiration is a metabolic process in living organisms whereby glucose is broken down with the aid of oxygen, to release chemical energy.
Thus, the role of oxygen in photosynthesis and in cellular respiration is: <em>Oxygen </em><em>is a product of </em><em>photosynthesis </em><em>and a reactant in </em><em>cellular respiration</em>.
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Answer:
A magazine article reported that college students spend an average of $100 on a first date. A university sociologist believed that number was too high for the students at the university. The sociologist surveyed 32 randomly selected students from the university and obtained a sample mean of $92.23 for the most recent first dates. A one-sample t-test resulted in a P-value of 0.026. Which of the following is a correct interpretation of the P-value? The probability is 0.026 that the mean amount of money students from the university spend on a first date is less than $100. The probability is 0.026 that the mean amount of money students from the university spend on a first date is less than $92.23. The probability is 0.026 that the mean amount of money students from the university spend on a first date is more than $92.23. If the mean amount of money that students from the university spend on a first date is $100, the probability is 0.026 that a randomly selected group of 32 students from the university would spend a mean of $92.23 or less on their most recent first dates. If the mean amount of money that students from the university spend on a first date is less than $100, the probability is 0.026 that a randomly selected group of 32 students from the university would spend a mean of $92.23 or less on their most recent first dates
Explanation:
The three physical changes that happen to teen brains that make it difficult for someone like Gary to weigh risk and reward include:
- Remodeling of the brain
- Peak sensitivity to the neurotransmitter dopamine
- Influence of the steroidal hormones
<h3>What three physical changes occur in teen brains affect their ability to weigh risk and reward?</h3>
The brain is the most complex organ in the body which controls the functions of other bodily systems, organs, and processes such as thought, emotion, vision, breathing, movement, hunger and every other regulatory functions in the body.
During the teen years, the brain undergoes remarkable physical changes which affect the thought processes of the teenager in weighing risk and reward, such that the teen seeks more reward over risks.
These changes include:
- Remodeling of the brain in a back-to-front manner such the teen relies more on the back part of the brain, the amygdala, which is associated with strong emotions, aggression, and impulsive behavior for decision-making rather than the prefrontal cortex, which is associated with rational decision-making.
- Peak sensitivity to the neurotransmitter dopamine, which is linked to the reward system of the brain.
- Influence of the steroidal hormones produced during puberty.
In conclusion, a teenager like Gary will find it difficult to make rational decisions always because of these changes that occur in the brain during the teen years.
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